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Three factors go into choosing the correct screen filter:
1. Your monitor type (CRT, LCD or notebook)
2. Your screen size
3. The type of screen filter you need
Screen filters are available for three types of monitors.
Diagonally measure only the viewable area of your screen (see examples at right). Choose a filter that's equal to or slightly larger than the screen size.
Screen filters can reduce screen glare, prevent eyestrain, provide privacy and protect the screen surface. Choose the filter that best fits your needs: